1 - Sandboxie 5.30,Sandboxie 5.31.1 Sandboxie 5.31.2 Windows 10 x64 bit 1809 Windows 10 x32 bit 1809 Windows 10 x32 bit 1903 Windows 10 x64 bit 1903
2 - internet explorer 11
3 - Microsoft Windows Defender ON
4 - sandbox with default settings
5 - Sandboxie 5.30.0 and 5.31 test versions, "Delete saved content" - "Delete Sandboxie", can not delete Internet explorer 11 "History" and "Cookie", All versions prior to Sandboxie 5.28.0 are normal!